<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格</title>
</head>
<body>
    <!--表格开始-->
    <table border="3" width="100%" cellspacing="0px" cellpadding="20px"> 
        <thead>
        <tr>
            <th colspan="6">课 程 表</th>
        </tr>
        </thead>
        <tbody align="center">
        <tr>
            <td> time</td>
            <td>星期一</td>
            <td>星期二</td>
            <td>星期三</td>
            <td>星期四</td>
            <td>星期五</td>
        </tr>
        <tr>
            <td rowspan="2">上午</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
        </tr>
        <tr>
            <td>html</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
        </tr>      
          <tr>
            <td rowspan="2">下午 </td>
            <td>html</td>
            <td>html</td>
            <td rowspan="2">活动</td>
            <td>html</td>
            <td>html</td>
          </tr>    
          <tr>
            <td>html</td>
            <td>html</td>
            <td>html</td>
            <td>html</td>
          </tr>
        </tbody>
    </table>
    <!--表格结束-->
</body>
</html>